#include <iostream>

struct travel_time{
    int hours;
    int mins;
};

const int Mins_per_hr = 60;

travel_time sum(travel_time t1, travel_time t2);

void show_time(travel_time t);

using namespace std;
int main275()
{
    
    // cout.setf(ios_base::fixed, ios_base::floatfield);
    cout<<endl;
    
    travel_time day1 = {5,45};
    travel_time day2 = {4,55};

    travel_time trip = sum(day1, day2);
    cout << "Two day total : " << endl;
    show_time(trip);

    travel_time day3 = {4, 32};
    cout << "Three day total : ";
    show_time(sum(trip, day3));

    cout<<endl;
    return 0;
}


travel_time sum(travel_time t1, travel_time t2) {
    travel_time total;

    total.mins = (t1.mins + t2.mins) % Mins_per_hr;

    total.hours = t1.hours + t2.hours + ((t1.mins + t2.mins) / Mins_per_hr);
    return total;
}

void show_time(travel_time t) {

    cout << t.hours << " hours, " << t.mins << " minutes.\n";
}